<style>
  .wrapper {
    position: absolute;
    top: 44px;
    bottom: 0;
    width: 100%;
  }
  
  .scroller {
    margin: 0;
    padding: 0;
  }
  
  .scroller li {
    height: 60px;
    line-height: 60px;
    border-bottom: 1px solid #ddd;
    text-indent: 1em;
    background: #fff;
  }
  
  .scroller li:nth-last-child(1) {
    border-bottom: none;
  }
  
  #menu {
    position: absolute;
    top: 44px;
    right: 20px;
    margin: 0;
    padding: 0;
  }
  
  #menu li {
    width: 48px;
    height: 48px;
    line-height: 48px;
    border-radius: 50px;
    background: #fff;
    color: #000;
    border: 1px solid #fafafa;
    text-align: center;
    margin: 20px 0;
    list-style-type: none;
    -webkit-box-shadow: rgba(0, 0, 0, .4) 3px 3px 10px;
    box-shadow: rgba(0, 0, 0, .4) 3px 3px 10px;
  }
  
  #menu li.current {
    background: #da020c;
    color: #fff;
    border-color: #da020c;
  }
  
  #tips {
    position: absolute;
    top: 40%;
    width: 80%;
    height: 36px;
    line-height: 36px;
    background: rgba(0, 0, 0, .8);
    border-radius: 5px;
    text-align: center;
    left: 50%;
    -webkit-transform: translateX(-50%);
    transform: translateX(-50%);
    color: #fff;
    z-index: 9;
    display: none;
  }
</style>
<div>
  <my-header title="各种级别数据量测试"></my-header>
  <div class="wrapper">
    <ul class="scroller"></ul>
  </div>
  <ul id="menu">
    <li class="current">6</li>
    <li>99</li>
    <li>999</li>
    <li>9999</li>
  </ul>
  <div id="tips">渲染中，请稍候！</div>
</div>